9 Grammatical Pitfalls


[suh-spish-uh s] /səˈspɪʃ əs/
tending to cause or excite suspicion; questionable:
suspicious behavior.
inclined to suspect, especially inclined to suspect evil; distrustful:
a suspicious tyrant.
full of or feeling suspicion.
expressing or indicating suspicion:
a suspicious glance.
Origin of suspicious
1300-50; Middle English < Latin suspīciōsus, equivalent to suspīci- (see suspicion) + -ōsus -ous
Related forms
suspiciously, adverb
suspiciousness, noun
hypersuspicious, adjective
hypersuspiciously, adverb
hypersuspiciousness, noun
oversuspicious, adjective
oversuspiciously, adverb
oversuspiciousness, noun
presuspicious, adjective
presuspiciously, adverb
presuspiciousness, noun
self-suspicious, adjective
supersuspicious, adjective
supersuspiciously, adverb
supersuspiciousness, noun
unsuspicious, adjective
unsuspiciously, adverb
unsuspiciousness, noun
1. suspect, dubious, doubtful. 2. mistrustful, wary, disbelieving. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for suspicious
  • Some lend their trust easily, while others are more suspicious and distrustful.
  • It struck him as suspicious, so he returned at night to find a group of counterfeiters manufacturing coins.
  • He was suspicious of other artists, onlookers and even members of his own family.
  • True declined to talk to him, later saying she had been suspicious of his motives.
  • Law enforcement is not friendly towards the people, but immediately treat you as an inferior and suspicious.
  • It'll give you a better shot at getting cash advances and help avoid having your account frozen due to suspicious hyperactivity.
  • The beagle calmly sits down next to anything that smells suspicious.
  • The groups are suspicious the delay is political, not scientific.
  • And many people in the town have good reason to be suspicious of nearly everyone.
  • He doesn't see anything suspicious, but he begins to be worried and tries to find out more about what is happening.
British Dictionary definitions for suspicious


exciting or liable to excite suspicion; questionable
disposed to suspect something wrong
indicative or expressive of suspicion
Derived Forms
suspiciously, adverb
suspiciousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for suspicious

"deserving of or exciting suspicion," mid-14c., from Old French suspecious, from Latin suspiciosus "exciting suspicion" (see suspicion). Meaning "full of or inclined to feel suspicion" is attested from c.1400. Edgar Allan Poe (c.1845) proposed suspectful to take one of the two conflicting senses. Related: suspiciously; suspiciousness.

Online Etymology Dictionary, © 2010 Douglas Harper
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